| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.61 | 0.69 | -0.08 |
| Feb | 0.75 | 0.84 | -0.09 |
| Mar | 1.43 | 1.57 | -0.14 |
| Apr | 2.59 | 2.82 | -0.23 |
| May | 3.63 | 3.98 | -0.35 |
| Jun | 4.72 | 4.90 | -0.18 |
| Jul | 3.75 | 3.61 | 0.14 |
| Aug | 3.80 | 4.15 | -0.35 |
| Sep | 3.01 | 3.22 | -0.21 |
| Oct | 2.24 | 2.31 | -0.07 |
| Nov | 1.27 | 1.38 | -0.11 |
| Dec | 0.91 | 1.06 | -0.15 |
28.71 | 30.53 | -1.82 |